MELVILL— MAKINE MOLLUSCA. 131 



434. Barclayia incerta, Desh. 

 Loc. Cargados Carajos ? 



Considered by Fischer a subgenus of Scintilla, and orginally described by Deshayes 

 from I. Bourbon specimens. 



The locality is given witli slight doubt. Only one specimen occurred. 



Suborder ii. TELLINACEA. 



Family Tellinidae. 



435. Tellina {Tellinclla) rugosa. Bora. 



Loc. Chagos Archipelago : Diego Garcia, Barachois Maurice. 



436. Tellina {Arcopagia) roiws^a, Hanley. 

 Loc. Seychelles : Station P 6, 44 fathoms. 

 Only very young, but probably referred here. 



437. Tellina {Arcopagia) scobinata,!^. 



Loc. Amirantes : Station E 21, 30 fathoms, Malimeda- and Lilhothamnia-vuhhle. 

 Chagos Archipelago. 



Family DonacidsB. 



438. Bonax (Latona) abbreviatus. Lam. 

 Loc. Coetivy I. 



439. Donax [Latona) f aha, Chemn. [z^radians,lMm.) 

 Loc. Coetivy I. 



Family MesodesmatidsB. 



440. Paphia glabrata, Desh. 

 Mesodesma glabratum, Lam. Encycl. pi. 257. fij;. 3. 



Loc. Amirantes : S. Joseph I. 



441. Paphia trigona, Desh. 



Loc. Chagos Archipelago : Diego Garcia, Barachois Maurice. 



Suborder iii. VENERACEA. 



Family Veneridae. 



442. Circe scripta (L.). 



Loc. Cargados Carajos : Stations B 7, 29 fathoms, B 16, 30 fathoms, weed or sandy. 

 Amirantes : Station E 9, 34 fathoms, shell-rubhle &c. 



Seychelles : Stations F 2, 31 fathoms, shell-rubble &c. ; F 3, 39 fathoms, hard 

 sand. 

 Mostly of the plain, unicolorous variety albida. 



17* 



